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Arnold O. Beckman arranged a banquet for Lee de Forest (seated), at which he and Jonathan Zenneck (standing) met in person for the first time since 1912.
Lee de Forest (1873–1961) was an inventor, most notably of…
- Circa 1940 – circa 1979
Though the photo set is identified as Beckman with "employees," some of the photographs depict ceremonies and visits to non-corporate locations, like CalTech. Some photographs are attributed, dated (1941, 1962, 1967),…